Global Patent Index - EP 1488279 A1

EP 1488279 A1 2004-12-22 - A LIQUID CRYSTAL DEVICE, A METHOD FOR PRODUCING A LIQUID CRYSTAL DEVICE AND A METHOD FOR CONTROLLING A LIQUID CRYSTAL DEVICE

Title (en)

A LIQUID CRYSTAL DEVICE, A METHOD FOR PRODUCING A LIQUID CRYSTAL DEVICE AND A METHOD FOR CONTROLLING A LIQUID CRYSTAL DEVICE

Title (de)

FLÜSSIGKRISTALLEINRICHTUNG, VERFAHREN ZUR HERSTELLUNG EINER FLÜSSIGKRISTALLEINRICHTUNG UND VERFAHREN ZUR STEUERUNG EINER FLÜSSIGKRISTALLEINRICHTUNG

Title (fr)

DISPOSITIF A CRISTAUX LIQUIDES, PROCEDE DE FABRICATION D'UN DISPOSITIF A CRISTAUX LIQUIDES ET PROCEDE DE COMMANDE D'UN DISPOSITIF A CRISTAUX LIQUIDES

Publication

EP 1488279 A1 (EN)

Application

EP 03713153 A

Priority

  • SE 0300478 W
  • SE 0200910 A

Abstract (en)

[origin: WO03081327A1] The invention relates to a liquid crystal device, comprising a liquid crystal bulk layer (10) and dopants (20) being inhomogeneously distributed in the bulk layer (10) as a result of being permanently attached to at least one surface, termed dopant surface. The invention also relates to methods for manufacturing as well as methods for controlling liquid crystal devices.

IPC 1-7 (main, further and additional classification)

G02F 1/1337; C09K 19/02

IPC 8 full level (invention and additional information)

G02F 1/139 (2006.01); C09K 19/02 (2006.01); C09K 19/40 (2006.01); C09K 19/58 (2006.01); G02F 1/1337 (2006.01); G02F 1/141 (2006.01)

CPC (invention and additional information)

C09K 19/0266 (2013.01); C09K 19/02 (2013.01); C09K 19/0225 (2013.01); C09K 19/408 (2013.01); C09K 19/586 (2013.01); G02F 1/133703 (2013.01); C09K 2019/0418 (2013.01); G02F 2001/133726 (2013.01); G02F 2001/133769 (2013.01)

Citation (search report)

See references of WO 03081327A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

EPO simple patent family

WO 03081327 A1 20031002; AU 2003214747 A1 20031008; AU 2003217120 A1 20031008; CN 100359390 C 20080102; CN 1639622 A 20050713; CN 1639623 A 20050713; EP 1488278 A1 20041222; EP 1488279 A1 20041222; JP 2005521101 A 20050714; JP 2005521102 A 20050714; KR 20040093173 A 20041104; KR 20050002879 A 20050110; SE 0200910 D0 20020322; US 2005146670 A1 20050707; US 2005179855 A1 20050818; US 7283196 B2 20071016; US 7295272 B2 20071113; WO 03081326 A1 20031002

INPADOC legal status


2011-03-23 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20101001

2006-08-30 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20060731

2005-08-17 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ECSIBEO PPF1 AB

2004-12-22 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20040823

2004-12-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

2004-12-22 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK